Home / 2,816,208.72-4,216,262.76-2,637,443.28

Finding the Fourth Proportional to 2,816,208.72, 4,216,262.76 and 2,637,443.28

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Solution

The fourth proportional to 2,816,208.72, 4,216,262.76 and 2,637,443.28 is: 3,948,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,208.72 : 4,216,262.76 = 2,637,443.28 : x
  2. Step 2: Convert to fraction form
    2,816,208.72/4,216,262.76 = 2,637,443.28/x
  3. Step 3: Cross multiply
    2,816,208.72x = 4,216,262.76 × 2,637,443.28
  4. Step 4: Simplify right side
    2,816,208.72x = 11,120,153,883,076.25
  5. Step 5: Solve for x
    x = 11,120,153,883,076.25/2,816,208.72
  6. Step 6: Final answer
    x = 3,948,625.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.